Description

Arista DCS-7280SE-72-R 48x 10GB SFP+ 2x 100GB MXP Back-to-Front Airflow Switch

Part Number : DCS-7280SE-72-R
Condition : Seller refurbished
Model: Arista DCS-7280SE-72-R
Type: Fixed-configuration, high-performance data center switch
Series: Arista 7280R Series
Form Factor: 2RU (Rack Unit) fixed switch
Airflow: Front-to-back airflow (-F designation indicates front-to-back cooling).
2. Interfaces and Ports
72 x 10GbE SFP+ ports for 10GbE connectivity.
Each SFP+ port supports 1GbE and 10GbE speeds.
6 x 100GbE QSFP28 uplink ports.
Each 100GbE port can also be configured as 4x25GbE or 4x10GbE using breakout cables, providing flexibility for network design.
All ports operate at full wire-speed, ensuring no performance degradation.
3. Performance
Switching Capacity: 5.76 Tbps (terabits per second) total system capacity.
Forwarding Rate: 2.4 Bpps (billion packets per second).
Packet Buffer: 9 GB of packet buffer memory, designed for traffic handling in congested environments, minimizing packet loss.
Latency: Ultra-low latency, typically under 2 microseconds.
MAC Address Table: Supports up to 288,000 MAC addresses.
Routing Table Entries:
IPv4: Supports up to 1.4 million IPv4 routes.
IPv6: Supports up to 700,000 IPv6 routes.
4. Layer 2 and Layer 3 Features
Layer 2:
Supports 802.1Q VLANs (up to 4,000 VLANs).
Link Aggregation Control Protocol (LACP) for bundling multiple physical links.
STP, RSTP, and MSTP for loop prevention.
Jumbo frames support (up to 9,216 bytes).
Layer 3:
Full routing capabilities including OSPF, BGP, IS-IS, and RIP.
IPv4 and IPv6 unicast and multicast routing.
VRF (Virtual Routing and Forwarding) for network segmentation.
ECMP (Equal-Cost Multi-Path) routing for efficient traffic load balancing.
VXLAN: Supports Virtual Extensible LAN (VXLAN) for network virtualization and large-scale Layer 2 bridging.
5. Quality of Service (QoS)
Traffic Classification: Based on Layer 2, Layer 3, and Layer 4 headers.
Congestion Management: Advanced congestion management features like Data Center TCP (DCTCP).
Priority Queuing: 8 priority queues per port for QoS.
Traffic Shaping and Policing: Supports shaping, policing, and classification.
6. Security Features
Access Control Lists (ACLs): Standard and extended ACLs for packet filtering and security.
Port Security: Limits MAC addresses per port and restricts unauthorized devices.
Storm Control: Protects against broadcast, multicast, and unknown unicast traffic storms.
Control Plane Protection (CoPP): Protects the control plane from denial-of-service (DoS) attacks.
7. Network Management and Monitoring
Telemetry: Real-time network telemetry for proactive monitoring and diagnostics.
sFlow: Supported for traffic sampling and analysis.
SNMP: Supports SNMPv1, v2, and v3 for remote monitoring.
CLI and API: Provides a command-line interface (CLI) and supports automation with JSON-RPC, and REST APIs.
Network Automation: Supports automation tools like Ansible, Puppet, Chef, and Python scripting.
8. Power and Cooling
Power Supplies:
Dual, hot-swappable, redundant power supplies.
Power options include AC or DC power supplies (typically around 800W to 1000W per supply depending on configuration).
Cooling:
Hot-swappable, redundant fan trays.
Front-to-back airflow (denoted by the -F suffix).
Airflow optimized for data center environments.
9. Environmental Specifications
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Storage Temperature: -40°F to 158°F (-40°C to 70°C).
Operating Humidity: 5% to 95% non-condensing.
Storage Humidity: 5% to 95% non-condensing.
10. Reliability and Redundancy
Redundancy:
Supports dual power supplies and hot-swappable fans for high availability.
System designed for non-disruptive maintenance and upgrades.
In-Service Software Upgrades (ISSU): Allows software upgrades without disrupting network operations.
Hot-swappable Components: Line cards, power supplies, and fan trays can be replaced without shutting down the switch.
11. Compliance and Certifications
RoHS: Compliant with the Restriction of Hazardous Substances (RoHS) directive.
Certifications: Meets global safety and emissions standards, including FCC, CE, and UL certifications.
12. Use Cases
Data Center Top-of-Rack (ToR) Switch: High-density 10GbE ports for server connectivity with 100GbE uplinks to the spine layer.
Leaf-Spine Architectures: Ideal for deployment in modern data center leaf-spine architectures with high-performance routing capabilities.
High-Performance Environments: Suitable for high-performance computing (HPC), content delivery networks (CDN), and low-latency applications